<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
      <el-breadcrumb-item>保留内容</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            class="input-with-select"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区 -->
      <el-table :data="userlist" stripe style="width: 100%" border strip>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="姓名" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态" prop="mg_state" >
          <template v-slot="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChanged(scope.row)"
              active-color="#13ce66"
              inactive-color="#BBBBBB"
            >
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" min-width="140">
          <template v-slot="scope">
            <!-- 修改按钮 -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
            ></el-button>
            <!--  -->
            <el-tooltip
              class="item"
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false"
              
            >
            <el-button
              type="warning"
              icon="el-icon-suitcase-1"
              size="mini"
              @click="setRole(scope.row)"
            ></el-button>
            </el-tooltip>
            <!-- 删除 -->
            <el-tooltip
              class="item"
              effect="dark"
              content="删除"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="danger"
                icon="el-icon-delete"
                size="mini"
                @click="removeUserById(scope.row.id)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :page-sizes="[1, 3, 5, 10]"
        :page-size="3"
        layout="total, sizes, prev, pager, next, jumper"
        :total="10"
      >
      </el-pagination>
    </el-card>

    <!-- 添加用户的对话框 -->
    <el-dialog
      title="添加新用户"
      :visible.sync="addDialogVisible"
      width="40%"
      @close="addDialogClosed"
    >
    <!-- 内容主体区 -->
      <!-- <span>这是一段信息</span> -->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="80px" class="demo-ruleForm">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户的对话框 -->
    <el-dialog
  title="修改用户"
  :visible.sync="editDialogVisible"
  width="40%"
  @close="editDialogClosed"
  >
   <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px" class="demo-ruleForm">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email" ></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile" ></el-input>
        </el-form-item>
      </el-form>
  <span slot="footer" class="dialog-footer">
    <el-button @click="editDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="editUserInfo">确 定</el-button>
  </span>
</el-dialog>
<!-- 分配角色对话框 -->
<el-dialog
  title="分配角色"
  :visible.sync="setRoleDialogVisible"
  width="50%"
  @close="setRoleDialogClosed"
 >
  <p>当前用户:{{userInfo.username}}</p>
  <p>当前角色:{{userInfo.role_name}}</p>
  <p>分配的新角色：
    <el-select v-model="selectedRoleId" placeholder="请选择">
    <el-option
      v-for="item in rolesList"
      :key="item.id"
      :label="item.roleName"
      :value="item.id">
    </el-option>
  </el-select>
  </p>
  <span slot="footer" class="dialog-footer">
    <el-button @click="setRoleDialogVisible = false">取 消</el-button>
    <el-button type="primary" 
    @click="saveRoleInfo">
    确 定
    </el-button>
  </span>
</el-dialog>
  </div>
</template>

<script>
export default {
  name: "Users",
  data() {
    var checkEmail=(rule,value,cb)=>{
      //验证邮箱的正则表达式
      const regEmail=/^[A-Za-z\d]+([-_.][A-Za-z\d]+)*@([A-Za-z\d]+[-.])+[A-Za-z\d]{2,4}$/ 
      if(regEmail.test(value)){
        return cb()
      }else{
        return cb(new Error('请输入合法的邮箱'))
      }
    }
    var checkMobile=(rule,value,cb)=>{
      //验证手机的正则表达式
      const regMobile=/^1[3456789]\d{9}$/
      if(regMobile.test(value)){
        return cb()
      }else{
        return cb(new Error('请输入合法的手机号'))
      }
    }
    //防止以空格作为输入的验证规则
    var checkInput=(rule,value,cb)=>{
      const index=value.indexOf(' ')
      if(index!==-1){return cb(new Error('不允许有空格！'))}
      else{
        return cb()
      }

    }
    return {
      //获取用户列表的参数
      queryInfo: {
        query: "",
        pagenum: 1,
        pagesize: 3,
      },
      userlist: [],
      total: 0,
      //控制添加用户对话框的显示与隐藏
      addDialogVisible:false,
      //控制修改用户的对话框的显示与隐藏
      editDialogVisible:false,
      //控制分配角色的对话框的显示与隐藏
      setRoleDialogVisible:false,
      //查询到的用户信息对象
      editForm:{
        
      },
      //添加用户的表单数据
      addForm: {
          username: '',
          password:'',
          email:'',
          mobile:'',
        },
      //添加表单的验证规则对象
      addFormRules: {
        username: [
            { required: true, message: '请输入用户名', trigger: 'blur' },
            { min: 3, max: 10, message: '用户名长度在 3 到 10 个字符', trigger: 'blur' },
            {validator:checkInput,trigger:'blur'}
        ],
        password:[
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 12, message: '密码长度在 6 到 12 个字符', trigger: 'blur' },
          {validator:checkInput,trigger:'blur'}
        ],
        email:[
          { required: true, message: '请输入邮箱', trigger: 'blur' },
            // { min: 3, max: 10, message: '用户名长度在 3 到 10 个字符', trigger: 'blur' },
            {validator:checkEmail,trigger:'blur'}
        ],
        mobile:[
          { required: true, message: '请输入手机号', trigger: 'blur' },
            // { min: 3, max: 10, message: '用户名长度在 3 到 10 个字符', trigger: 'blur' },
            {validator:checkMobile,trigger:'blur'}
        ]
      },
      editFormRules:{
        email:[
          { required: true, message: '请输入邮箱', trigger: 'blur' },
            // { min: 3, max: 10, message: '用户名长度在 3 到 10 个字符', trigger: 'blur' },
            {validator:checkEmail,trigger:'blur'}
        ],
        mobile:[
          { required: true, message: '请输入手机号', trigger: 'blur' },
            // { min: 3, max: 10, message: '用户名长度在 3 到 10 个字符', trigger: 'blur' },
            {validator:checkMobile,trigger:'blur'}
        ]
      },
      //需要被分配角色的用户信息
      userInfo:{},
      //所有角色的数据列表
      rolesList:[],
      //已选中的角色ID
      selectedRoleId:'',
    }
  },
  created() {
    this.getUserList();
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo,
      });
      if (res.meta.status !== 200)
        return this.$message.error("获取用户列表失败");
      this.userlist = res.data.users;
      this.total = res.data.total;
      console.log(this.userlist);
    },
    //监听switch开关状态改变
    async userStateChanged(userinfo) {
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      );
      if (res.meta.status !== 200) {
        return this.$message.error("更新用户状态失败");
      }
      this.$message.success("用户状态更新成功");
    },
    //监听pagesize改变事件
    handleSizeChange(newSize) {
      console.log(newSize);
      this.queryInfo.pagesize = newSize;
      this.getUserList();
    },
    //监听页码值改变的事件
    handleCurrentChange(newPage) {
      console.log(newPage);
      this.queryInfo.pagenum = newPage;
      this.getUserList();
    },
    //监听添加用户对话框的关闭事件
    addDialogClosed(){
      this.$refs.addFormRef.resetFields()
    },
    //点击按钮添加用户
    addUser(){
      this.$refs.addFormRef.validate(async (valid)=>{
        console.log(valid)
        if(!valid)return
        //发起网络请求
        const {data:res}=await this.$http.post('users',this.addForm)
        if(res.meta.status!==201){
          this.$message.error('添加用户失败')
        }
        this.$message.success('添加用户成功')
        //隐藏添加用户的对话框
        this.addDialogVisible=false
        //重新获取用户列表
        this.getUserList()
      })
    },
    //展示编辑用户信息对话框
    async showEditDialog(id){
      const {data:res}=await this.$http.get('users/'+id)
      if(res.meta.status!==200){
        return this.$message.error('用户信息查询失败')
      }
      this.editForm=res.data
      this.editDialogVisible=true
    },
    //监听修改用户对话框的关闭事件
    editDialogClosed(){
      this.$refs.editFormRef.resetFields()
    },
    //编辑用户信息
    editUserInfo(){
      this.$refs.editFormRef.validate(async (valid)=>{
        console.log(valid)
        if(!valid)return
        //发起修改用户信息的数据请求
        const {data:res}=await this.$http.put('users/'+this.editForm.id,{
          email:this.editForm.email,
          mobile:this.editForm.mobile
        })
        if(res.meta.status!==200){
          return this.$message.error('更新数据失败')
        }
        //关闭对话框
        this.editDialogVisible=false
        //刷新数据列表
        this.getUserList()
        //提示修改成功
        this.$message.success('更新用户信息成功！')
      })
    },
    //根据ID删除用户信息
    async removeUserById(id){
        const conRes=await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmByuttonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>err)
        //如果用户确认删除，则返回一个字符串confirm
        //如果用户取消删除，则返回字符串cancal
        // console.log(res)
        if(conRes!=='confirm'){
          return this.$message.info('已经取消删除')
        }
        const {data:res}=await this.$http.delete('users/'+id)
        if(res.meta.status!==200){
          return this.$message.error('删除用户失败')
        }
        this.$message.success('删除用户成功')
        //刷新用户列表
        this.getUserList()
    },
    //展示分配角色的对话框
    async setRole(userInfo){
      this.userInfo=userInfo
      //展示对话框前，获取所有角色列表
      const {data:res}=await this.$http.get('roles')
      if(res.meta.status!==200){
        return this.$message.error('获取角色列表失败！')
      }
      this.rolesList=res.data
      this.setRoleDialogVisible=true
    },
    //点击按钮分配角色
    async saveRoleInfo(){
      if(!this.selectedRoleId){
        return this.$message.error('请选择要分配的角色！')
      }
      const {data:res}=await this.$http.put(`users/${this.userInfo.id}/role`,{rid:this.selectedRoleId})
      if(res.meta.status!==200)return this.$message.error('更新角色失败')
      this.getUserList()
      this.setRoleDialogVisible=false
    },
    //监听分配角色对话框的关闭操作
    setRoleDialogClosed(){
      this.selectedRoleId=''
      this.userInfo={}
    }
  },
};
</script>

<style scoped>
</style>
